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I have this while() loop producing some HTML from some data in the database. However, (and I am sure the query is fine) the code after the while isn't be adding to the variable (as you'll see in the code). Even though the variable isn't being added on to after the loop, the site still renders and works fine otherwise.
Comment out the while loop and run it. I'd bet what you say is missing is not missing. I would also bet there is something amiss in the while loop that is making the app do something unexpected. Given the code you have there, there is nothing likely at all to prevent the concatenation of the strings into the variable.